Key statistics
Satellite DELTA 1 R/B at a glance.
Uptime
17402
Days in orbit
Revolutions
≈ 13.9
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
98.8
Latest
Satellite identification and parameters
Extended collection of information and parameters for DELTA 1 R/B.
Object identification
Identified? True
Debris? False
Object name: DELTA 1 R/B
International designator: 1978-026C
Object number (NORAD): 10704
Object ID (CCSDS): 10704
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 103.73 minutes
Inclination: 98.8209 deg
SMA: 7313.015 km
Apoapsis: 987.505 km
Periapsis: 882.255 km
RAAN: 158.3243 deg
Eccentricy: 0.00719607
Argument of periapsis: 212.9141 deg
Mean anomaly: 146.7526 deg
Mean motion: 13.88219137 rev/day
Mean motion (dot): 0.0000006 rev/day2
B* drag term: 0.000083010978 1/REarth
Two-line elements (TLE)
Creation date: Oct. 26, 2025, 2:54 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 25, 2025, 8:13 p.m. UTC
TLE line 0: 0 DELTA 1 R/B
TLE line 1: 1 10704U 78026C 25298.84271597 .00000060 00000-0 83011-4 0 9997
TLE line 2: 2 10704 98.8209 158.3243 0071961 212.9141 146.7526 13.88219137265063
Live tracking on map
Real-time ground track for satellite DELTA 1 R/B.
In-orbit conjunctions
A list of the most updated potential collisions computed for object DELTA 1 R/B.
Associated space launch
Earth observation satellite
DELTA 1 R/B was lifted into orbit during the mission ‘Delta 2910 | Landsat 3’, on board a Delta 2910 space rocket.
The launch took place on March 5, 1978, 5:54 p.m. from Space Launch Complex 2W.
For more information about the launch, click the button.
Delta 2910 | Landsat 3
Agency: N/A
Status: Launch Successful
Launch date: March 5, 1978, 5:54 p.m. UTC
Rocket: Delta 2910
Launch pad: Space Launch Complex 2W
Location: Vandenberg SFB, CA, USA
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